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Technical Data Sheet
PartsTable / COMPONENT / 75NM62
75NM62 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_height: 0.178 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-061-8867, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
75NM62
NSN: 5310-00-061-8867
FSC: 5310
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_height0.178 INCHES NOMINAL IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.314 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES IN
thread_quantity_per_inch32
NSN5310-00-061-8867
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 75NM62 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
NUT HEIGHT: 0.178 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
WIDTH ACROSS FLATS: 0.314 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL CORROSION RESISTING OVERALL
NUT HEIGHT0.178 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.138 INCHES IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
WIDTH ACROSS FLATS0.314 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
79NM-62Interchangeable
interchangeable cross-reference
interchangeable
1287424-5Interchangeable
interchangeable cross-reference
interchangeable
10511921Interchangeable
interchangeable cross-reference
interchangeable
90-08055-00Interchangeable
interchangeable cross-reference
interchangeable
MS21044E06Interchangeable
interchangeable cross-reference
interchangeable
HRDEK1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 75NM62?
75NM62 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 75NM62?
There are 8 known substitutes for 75NM62: 79NM-62, 1287424-5, 10511921 and 5 more. Substitute compatibility should be verified for your specific system.
Is 75NM62 still available?
75NM62 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026